CN212168030U - Curing oven for coating production line - Google Patents
Curing oven for coating production line Download PDFInfo
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- CN212168030U CN212168030U CN202020741271.3U CN202020741271U CN212168030U CN 212168030 U CN212168030 U CN 212168030U CN 202020741271 U CN202020741271 U CN 202020741271U CN 212168030 U CN212168030 U CN 212168030U
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Abstract
The utility model discloses a curing oven for a coating production line, which comprises an oven body, wherein a feed inlet and a discharge outlet are arranged on the oven body, a curing chamber and a material channel are arranged in the oven body, the feed inlet, the material channel and the discharge outlet are sequentially communicated, and at least part of the material channel passes through the curing chamber; the hot air circulating system comprises an air inlet and an air outlet which are arranged on the furnace body and a circulating air duct which is arranged in the furnace body, at least part of the circulating air duct is overlapped with the material duct, and the air inlet, the circulating air duct and the air outlet are sequentially communicated in an air flow manner; the heating system is configured to convey heat into the curing chamber and heat the airflow flowing in the circulating air duct; an infrared radiant heating system positioned within the throat and proximate the entrance to the curing chamber, the infrared radiant heating system configured to direct infrared radiant heating of passing workpieces. The coating on the surface of the product is rapidly heated, the product is dried in a mode of combining hot air circulation and infrared radiation heating, the inside and outside drying of the product is more uniform, and the curing effect of the product can be effectively improved.
Description
Technical Field
The utility model relates to a coating equipment technical field, in particular to a curing oven for coating line.
Background
In industrial production, coating relates to an important link in a product manufacturing process, after a workpiece is coated, the antirust and anticorrosion capabilities of the workpiece are improved, the appearance quality of the product is higher, and the service life of the product is greatly prolonged.
Coating generally involves three basic processes of surface treatment, coating process and drying of a workpiece. Drying generally involves drying and curing the workpiece, so that the electrophoretic layer, the powder spraying layer, the paint spraying layer and other coatings can be cured on the surface of the workpiece, and the surface quality and the corrosion resistant effect of the workpiece are improved.
Traditional coating line adopts curing oven to carry out drying process to the work piece usually, and curing oven's structural component includes furnace body, hot air circulating system and heating system usually, is provided with feed inlet and discharge gate on the furnace body, and the inside material way that supplies the work piece to carry that is provided with of furnace body, and the interior roof of furnace body sets up the power and free chain usually and carries the work piece, and feed inlet, material way and discharge gate are linked together in proper order. The hot air circulating system comprises an air inlet and an air outlet which are arranged on the furnace body and a circulating air duct which is arranged inside the furnace body, a curing chamber is arranged in the furnace body, and the circulating air duct is usually positioned at the upstream position of the curing chamber. The heating system usually includes two burners with different powers, one of the burners with smaller power is arranged in the circulating air duct and heats the air flow flowing in the circulating air duct, and the other burner with larger power is arranged in the curing chamber and delivers the heat required by curing the workpiece to the curing chamber.
Because the traditional curing oven firstly utilizes hot air flowing in the circulating air duct to dry the inside and the outside of the workpiece, and then sends the dried workpiece into the curing chamber for curing. Because heated air circulation's drying method is through the hot-air flow on by the drying object surface, lets moisture evaporate from the surface to the mode of inside, such mode can make by the dry object appear the false dry phenomenon (surface drying or crust and the inside is not dry), and drying effect is not good, leads to subsequent solidification effect not good, appears defects such as bubble easily, influences the appearance quality and the corrosion resistant effect of product.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing a curing oven for coating line that curing effect is better.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
a curing oven for a coating line, comprising:
the furnace body is provided with a feeding hole and a discharging hole, and a curing chamber and a material channel are arranged in the furnace body, wherein the feeding hole, the material channel and the discharging hole are sequentially communicated, and at least part of the material channel passes through the curing chamber;
the hot air circulating system comprises an air inlet and an air outlet which are arranged on the furnace body and a circulating air duct arranged in the furnace body, at least part of the circulating air duct is overlapped with the material duct at the inlet of the curing chamber, and the air inlet, the circulating air duct and the air outlet are sequentially communicated in an air flow manner;
a heat supply system configured to supply heat to the curing chamber and to heat the air flowing in the circulating air duct;
an infrared radiation heating system located within the channel and upstream of the hot air circulation system, the infrared radiation heating system configured to direct infrared radiation heating of passing workpieces.
In the above technical solution, preferably, the infrared radiation heating system includes a plurality of infrared radiation heating units, and each of the infrared radiation heating units includes a plurality of infrared radiation heating pipes.
In the above technical solution, preferably, a plurality of the infrared radiation heating units are arranged in an array along the direction of the material channel.
In the above technical solution, preferably, the plurality of infrared radiation heating tubes are stacked in the up-down direction.
In the above technical solution, preferably, the plurality of infrared radiation heating units are oppositely arranged along two sides of the material channel.
In the above technical solution, preferably, a part of the circulating air duct coincides with the inlet and the outlet of the material duct in the curing chamber, and another part of the circulating air duct coincides with the material duct in the curing chamber.
In the above technical solution, preferably, the heat supply system includes a first burner and a second burner, the first burner is disposed in the circulating air duct and is used for heating the air flow flowing in the circulating air duct, and the second burner is disposed in the curing chamber and is used for conveying heat to the curing chamber.
In the above technical solution, preferably, the power of the first combustion engine is smaller than the power of the second combustion engine.
In the above technical solution, preferably, the air inlet and/or the air outlet and/or the circulating air duct is internally provided with a circulating fan.
In the above technical scheme, preferably, the inner top wall of the furnace body is provided with a stacking chain which is arranged along the direction of the material channel and used for transporting workpieces.
The utility model discloses a set up infrared radiation heating system in the material is said, infrared radiation heating system is close to the entrance of curing chamber to the direct infrared radiation heating of work piece through, make the coating rapid heating up on product surface, carry out the drying to the product through the mode that heated air circulation and infrared radiation heating combined together, the inside and outside drying of product is more even, can effectively promote the solidification effect of product. Compared with the single drying mode of the circulating hot air in the prior art, the drying time is greatly shortened, and the energy efficiency ratio is higher; in addition, the whole size of the curing furnace can be designed to be smaller, and combustion energy sources such as natural gas can be saved.
Drawings
Fig. 1 is a top perspective view of the present invention;
FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
wherein: 100. a workpiece;
1. a furnace body; 11. a feed inlet; 12. a discharge port; 13. a curing chamber; 14. a material channel; 15. accumulating and releasing chains;
2. a hot air circulating system; 21. an air inlet; 22. an air outlet; 23. a circulating air duct; 24. a circulating fan;
3. a heating system; 31. a first combustion engine; 32. a second combustion engine;
4. an infrared radiant heating system; 41. an infrared radiation heating unit; 411. an infrared radiation heating tube.
Detailed Description
To explain the technical content, structural features, achieved objects and functions of the present invention in detail, the following detailed description is made with reference to the accompanying drawings.
The utility model discloses on the mainly used application production line, carry out drying and solidification to the product after the application to realize the better that the interior outer surface coating of product combines with the product, promote the appearance quality and the corrosion resistant effect of product. The structure and the working principle of the present invention will be described in detail with reference to fig. 1 to 3.
As shown in FIG. 1, the curing oven mainly comprises an oven body 1, a hot air circulation system 2, a heat supply system 3 and an infrared radiation heating system 4.
The furnace body 1 is provided with a feeding hole 11 and a discharging hole 12, a curing chamber 13 and a material channel 14 are arranged inside the furnace body, the feeding hole 11, the material channel 14 and the discharging hole 12 are communicated in sequence, and the material channel 14 passes through the curing chamber 13. Referring to fig. 3, a stacking chain 15 arranged along the direction of the material channel 14 and used for transporting the workpieces 100 is installed on the inner top wall of the furnace body 1.
The hot air circulating system 2 comprises an air inlet 21 and an air outlet 22 which are arranged on the furnace body 1, and a circulating air duct 23 which is arranged inside the furnace body 1, wherein one part of the circulating air duct 23 is overlapped with the material channel 14 at the inlet of the curing chamber 13, and the other part of the circulating air duct 23 is overlapped with the material channel 14 inside the curing chamber 13. The air inlet 21, the circulating air duct 23 and the air outlet 22 are sequentially communicated with each other in an air flow manner. In this way, before the workpiece 100 enters the curing chamber 13, the inside and outside of the workpiece 100 can be dried by the circulating hot air. Further, in order to enhance the flowing speed of the air flow in the circulating air duct 23 and increase the drying efficiency, circulating fans 24 are disposed at the air inlet 21 and in the circulating air duct 23. Of course, in other embodiments, only a single one of the circulation fans 23 may be provided, for example, the circulation fan 23 may be provided only at the air inlet 21 or in the circulation air duct 23 or at the air outlet 22.
The main function of the circulating air duct 23 is to perform hot air circulation drying on the workpiece 100 before entering the curing chamber 13 to remove moisture inside and outside the workpiece 100, and therefore, in other embodiments, the circulating air duct 23 may be overlapped with the material duct 14 only at the entrance of the curing chamber 13.
And a heat supply system 3 configured to supply heat to the curing chamber 13 and heat the air flowing in the circulating air duct 23. Specifically, the heating system 3 includes a first burner 31 and a second burner 32, the first burner 31 is disposed in the circulating air duct 23 and is used for heating the air flow flowing in the circulating air duct 23, and the second burner 32 is disposed in the curing chamber 13 and is used for delivering heat to the curing chamber 13. The power of the first combustion engine 31 is less than the power of the second combustion engine 32.
An infrared radiant heating system 4 located within the throat 14 and proximate to the entrance to the curing chamber 13, the infrared radiant heating system 4 configured to direct infrared radiant heating of the passing workpieces. Specifically, as shown in fig. 1 and 2, the infrared radiation heating system 4 includes a plurality of infrared radiation heating units 41, and each infrared radiation heating unit 41 includes a plurality of infrared radiation heating pipes 411. A plurality of infrared radiation heating units 41 are arranged in an array along the run of the material channel 14. A plurality of infrared radiation heating pipes 411 are stacked in the up-down direction. As shown in fig. 3, a plurality of infrared radiation heating units 41 are oppositely disposed along both sides of the material path 14. Thereby to get into the work piece 100 before the curing chamber 13 and carry out the heating and drying, the medium-wavelength wave that utilizes infrared radiant tube 411 radiation directly radiates the heat on the coating on work piece 100 surface, in order to realize the coating rapid heating up, thereby the inside and outside surface of work piece 100 can rapid draing and more even, and combine the endless hot-blast that conveys in the circulating air duct 23, accelerate the evaporation of moisture inside and outside the work piece 100, can greatly shorten drying time, avoid the work piece 100 because the "false dry" phenomenon that single hot air drying appears, avoid defects such as the work piece surface bubble, help the solidification of follow-up work piece 100 and the improvement of work piece surface quality.
In this example, through set up infrared radiation heating system in the material way, infrared radiation heating system is close to the entrance of curing chamber to the direct infrared radiation heating of work piece to the process, make the coating on product surface heat up fast, carry out the drying to the product through the mode that heated air circulation and infrared radiation heating combined together, the inside and outside drying of product is more even, can effectively promote the curing effect of product. Compared with the single drying mode of the circulating hot air in the prior art, the drying time is greatly shortened, and the energy efficiency ratio is higher; in addition, the whole size of the curing furnace can be designed to be smaller, and combustion energy sources such as natural gas can be saved.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. A curing oven for a coating line, comprising:
the furnace body (1) is provided with a feeding hole (11) and a discharging hole (12), a curing chamber (13) and a material channel (14) are arranged in the furnace body, the feeding hole (11), the material channel (14) and the discharging hole (12) are communicated in sequence, and at least part of the material channel (14) passes through the curing chamber (13);
the hot air circulating system (2) comprises an air inlet (21) and an air outlet (22) which are arranged on the furnace body (1) and a circulating air duct (23) which is arranged in the furnace body (1), at least part of the circulating air duct (23) is overlapped with the material duct (14) at the inlet of the curing chamber (13), and the air inlet (21), the circulating air duct (23) and the air outlet (22) are sequentially communicated in an air flow manner;
a heat supply system (3) configured to supply heat into said curing chamber (13) and to heat the air flow flowing in said circulating air duct (23); it is characterized by also comprising;
an infrared radiation heating system (4) located within the channel (14) and upstream of the hot air circulation system (2), the infrared radiation heating system (4) being configured to direct infrared radiation heating of passing workpieces.
2. The curing oven for a coating line of claim 1, wherein: the infrared radiation heating system (4) comprises a plurality of infrared radiation heating units (41), and each infrared radiation heating unit (41) comprises a plurality of infrared radiation heating pipes (411).
3. The curing oven for a coating line of claim 2, wherein: a plurality of infrared radiation heating units (41) are arranged in an array along the trend of the material channel (14).
4. The curing oven for a coating line of claim 2, wherein: a plurality of the infrared radiation heating pipes (411) are stacked up and down.
5. The curing oven for a coating line of claim 2, wherein: a plurality of the infrared radiation heating units (41) are oppositely arranged along two sides of the material channel (14).
6. The curing oven for a coating line of claim 1, wherein: and one part of the circulating air duct (23) is overlapped with the material channel (14) at the inlet and the outlet of the curing chamber (13), and the other part of the circulating air duct is overlapped with the material channel (14) in the curing chamber (13).
7. The curing oven for a coating line of claim 1, wherein: the heating system (3) comprises a first combustor (31) and a second combustor (32), wherein the first combustor (31) is arranged in the circulating air duct (23) and used for heating airflow flowing in the circulating air duct (23), and the second combustor (32) is arranged in the curing chamber (13) and used for conveying heat into the curing chamber (13).
8. The curing oven for a coating line of claim 7, wherein: the power of the first combustion engine (31) is less than the power of the second combustion engine (32).
9. The curing oven for a coating line of claim 1, wherein: and a circulating fan (24) is arranged at the air inlet (21) and/or the air outlet (22) and/or the circulating air duct (23).
10. The curing oven for a coating line of claim 1, wherein: and a stacking chain (15) which is arranged along the trend of the material channel (14) and is used for conveying workpieces is arranged on the inner top wall of the furnace body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020741271.3U CN212168030U (en) | 2020-05-08 | 2020-05-08 | Curing oven for coating production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020741271.3U CN212168030U (en) | 2020-05-08 | 2020-05-08 | Curing oven for coating production line |
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| Publication Number | Publication Date |
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| CN212168030U true CN212168030U (en) | 2020-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020741271.3U Active CN212168030U (en) | 2020-05-08 | 2020-05-08 | Curing oven for coating production line |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115338093A (en) * | 2022-09-23 | 2022-11-15 | 徐州建机工程机械有限公司 | High-efficiency energy-saving curing device for electrostatic powder spraying of construction machinery |
| CN116673196A (en) * | 2022-12-08 | 2023-09-01 | 天津七所高科技有限公司 | Infrared and hot air mixed energy-saving curing oven and control method thereof |
-
2020
- 2020-05-08 CN CN202020741271.3U patent/CN212168030U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115338093A (en) * | 2022-09-23 | 2022-11-15 | 徐州建机工程机械有限公司 | High-efficiency energy-saving curing device for electrostatic powder spraying of construction machinery |
| CN116673196A (en) * | 2022-12-08 | 2023-09-01 | 天津七所高科技有限公司 | Infrared and hot air mixed energy-saving curing oven and control method thereof |
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